import axios from 'axios'
import {getToken} from "./util";

class HttpRequest {
  constructor(baseUrl = baseURL) {
    this.baseUrl = baseUrl
    this.queue = {}
  }

  getInsideConfig() {
    const config = {
      baseURL: this.baseUrl,
      headers: {
        //
      }
    }
    return config
  }

  destroy(url) {
    delete this.queue[url]
    if (!Object.keys(this.queue).length) {
      // Spin.hide()
    }
  }

  interceptors(instance, url) {
    // 请求拦截
    instance.interceptors.request.use(config => {
      const token = getToken()
      if (token) {// 判断是否存在token，如果存在的话，则每个http header都加上token
        config.headers.Authorization = `Bearer ${token.access}`
      }
      // 添加全局的loading...
      if (!Object.keys(this.queue).length) {
        // Spin.show() // 不建议开启，因为界面不友好
      }
      this.queue[url] = true
      return config
    }, error => {
      return Promise.reject(error)
    })
    // 响应拦截
    instance.interceptors.response.use(res => {
      this.destroy(url)
      const {data, status} = res
      return {data, status}
    }, error => {
      this.destroy(url)
      // let errorInfo = error.response
      // if (!errorInfo) {
      //   const {request: {statusText, status}, config} = JSON.parse(JSON.stringify(error))
      //   errorInfo = {
      //     statusText,
      //     status,
      //     request: {responseURL: config.url}
      //   }
      // }
      return Promise.reject(error)
    })
  }

  request(options) {
    const instance = axios.create()
    options = Object.assign(this.getInsideConfig(), options)
    this.interceptors(instance, options.url)
    return instance(options)
  }
}

export default HttpRequest
